TPS2051CDBVEVM-636

User's Guide SLVU466B – June 2011 – Revised July 2012 Single-Channel, Power-Distribution Switch Evaluation Module This user’s guide describes the TPS20xxCDBVEVM-636 and TPS20xxCDGNEVM-635 evaluation modules (EVM). This guide contains the EVM schematics, bill of materials, assembly drawings, and top and bottom board layouts. 1 2 3 4 Contents Introduction .................................................................................................................. 2 Schematics and Bill of Materials .......................................................................................... 2 2.1 EVM Options ........................................................................................................ 2 2.2 Schematics .......................................................................................................... 3 2.3 Bill of Material ...................................................................................................... 5 Board Layout ................................................................................................................ 7 3.1 TPS20xxCDBVEVM-636 Board .................................................................................. 7 3.2 TPS20xxCDGNEVM-635 Board ................................................................................. 8 3.3 Layout Considerations ............................................................................................. 9 EVM Setup ................................................................................................................. 10 4.1 Recommended Test Equipment ................................................................................ 10 4.2 Measuring Current Limit ......................................................................................... 10 List of Figures ..................................................................................... 1 TPS20xxCDBVEVM-636 Schematic 2 TPS20xxCDGNEVM-635 Schematic ..................................................................................... 4 3 TPS20xxCDBVEVM-636 Component Placement 4 TPS20xxCDBVEVM-636 Top-Side Layout .............................................................................. 7 5 TPS20xxCDBVEVM-636 Bottom-Side Layout .......................................................................... 8 6 TPS20xxCDGNEVM-635 Component Placement ...................................................................... 8 7 TPS20xxCDGNEVM-635 Top-Side Layout .............................................................................. 9 8 TPS20xxCDGNEVM-635 Bottom-Side Layout .......................................................................... 9 9 EVM Setup For Measuring Current Limit ............................................................................... 10 10 TPS2069CDGNEVM-635 Short-Circuit Input Current and Output Voltage ...................................................................... ....................................... 3 7 11 List of Tables 1 TPS20xxCDBVEVM-636 Options ......................................................................................... 2 2 TPS20xxCDGNEVM-635 Options ........................................................................................ 2 3 TPS20xxCDBVEVM-636 Bill of Materials................................................................................ 5 4 TPS20xxCDGNEVM-635 Bill of Materials ............................................................................... 6 SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 1 Introduction 1 www.ti.com Introduction The TPS20xxCDBVEVM-636 and TPS20xxCDGNEVM-635 are evaluation modules (EVM) for the Texas Instruments family of single-channel, current-limited, power distribution switches. These EVMs operate over a 4.5-V to 5.5-V range and provide a continuous output current of up to 2 A (see Table 1). Test points provide convenient access to all critical node voltages. The TPS20xxCDBVEVM-636 accepts an SOT23-5 packaged, power-distribution switch whereas the TPS20xxCDGNEVM-635 accepts MSOP-8 packaged switch with a thermal pad. These switches have an enable input, fault status output, and overtemperature shutdown. The shaded EVM options shown in Table 1 and Table 2 are not currently available. Table 1 and Table 2 summarize the configurable EVM options. 2 Schematics and Bill of Materials 2.1 EVM Options Table 1. TPS20xxCDBVEVM-636 Options EVM Device Continuous Output Current (A) ENABLE TPS2051CDBVEVM-636 TPS2051DBV 0.5 Active High TPS2065CDBVEVM-636 TPS2065DBV 1 Active High TPS2530EVM-636 TPS2530DBV 0.5 Active High TPS2531EVM-636 TPS2531DBV 0.25 Active High Table 2. TPS20xxCDGNEVM-635 Options Continuous Output Current (A) ENABLE TPS2065CDGN 1 Active High TPS2069CDGN 1.5 Active High TPS2000CDGNEVM-635 TPS2000CDGN 2 Active Low TPS2001CDGNEVM-635 (1) TPS2001CDGN 2 Active High (1) 2 EVM Device TPS2065CDGNEVM-635 TPS2069CDGNEVM-635 TPS2001CDGK (2A switch with active-high enable) can be installed and evaluated on TPS20xxCDGNEVMN-635. Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Schematics and Bill of Materials www.ti.com Schematics + 2.2 Figure 1. TPS20xxCDBVEVM-636 Schematic SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 3 Schematics and Bill of Materials + www.ti.com Figure 2. TPS20xxCDGNEVM-635 Schematic 4 Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Schematics and Bill of Materials www.ti.com 2.3 Bill of Material Table 3. TPS20xxCDBVEVM-636 Bill of Materials Count RefDes Value Description Size Part Number MFR 1 C1 10 µF Capacitor, Ceramic, X7R, 10V, 10% 1206 STD STD 2 C2, C3 0.1 µF Capacitor, Ceramic, 16V, X7R, 10% 0805 STD STD 1 C4 150 µF Capacitor, Tantalum, 10V, 100milliohm, 10% 7343 (D) B45197A2157K409 Kemet 2 J1, J2 ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST 1 J3 PEC02SAAN Header, Male 2-pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins 2 R1, R2 10.0K Resistor, Chip, 1/10W, 1% 0805 STD STD 4 TP1, TP2, TP3, TP4 5002 Test Point, White, Thru Hole Color Keyed 0.100 x 0.100 inch 5002 Keystone 4 TP5, TP6, TP7, TP8 5016 Test Point, SM, 0.150 x 0.090 0.185 x 0.135 inch 5016 Keystone 1 U1 See Table 1 IC, Current-Limited, Power-Distribution Switch SOT-23-5 See Table 1 TI 1 – HPA636 PCB, 2.25 In x 2.225 In x 0.062 In 2.25 inch x 2.225 inch HPA636 Any 1 – 929955-06 Shorting Jumper, 10u-inch gold 929955-06 3M 2566 Bumper, rubber 2566 SPC Tech THT-13-457-10 Brady 4 1 – Label (See note 7) 1.25 x 0.25 inch SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 5 Schematics and Bill of Materials www.ti.com Table 4. TPS20xxCDGNEVM-635 Bill of Materials Count 6 RefDes Value Description Size Part Number MFR 1 C1 10 µF Capacitor, Ceramic, X7R, 10V, 10% 1206 STD STD 2 C2, C3 0.1 µF Capacitor, Ceramic, 16V, X7R, 10% 0805 STD STD 1 C4 150 µF Capacitor, Tantalum, 10V, 100milliohm, 10% 7343 (D) B45197A2157K409 Kemet 2 J1, J2 ED555/2DS Terminal Block, 2-pin, 6-A, 3.5mm 0.27 x 0.25 inch ED555/2DS OST 1 J3 PEC02SAAN Header, Male 2-pin, 100mil spacing, 0.100 inch x 2 PEC02SAAN Sullins 2 R1, R2 10.0K Resistor, Chip, 1/10W, 1% 0805 STD STD 4 TP1, TP2, TP3, TP4 5002 Test Point, White, Thru Hole Color Keyed 0.100 x 0.100 inch 5002 Keystone 4 TP5, TP6, TP7, TP8 5016 Test Point, SM, 0.150 x 0.090 0.185 x 0.135 inch 5016 Keystone 1 U1 See Table 2 IC, Current-Limited, Power-Distribution Switch DGN-8 See Table 2 TI 1 -- 929955-06 Shorting Jumper, 10u-inch gold 929955-06 3M 4 -- 2566 Bumper, rubber 2566 SPC Tech 1 -- HPA635 PCB, 2.25 In x 2.225 In x 0.062 In 2.25 inch x 2.225 inch HPA635 Any 1 -- Label (See note 7) 1.25 x 0.25 inch THT-13-457-10 Brady Single-Channel, Power-Distribution Switch Evaluation Module SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Copyright © 2011–2012, Texas Instruments Incorporated Board Layout www.ti.com 3 Board Layout This section contains three views of the TPS20xxCDBVEVM-636 and the TPS20xxCDGNEVM-635 evaluation boards as well as some layout considerations. 3.1 TPS20xxCDBVEVM-636 Board TEXAS INSTRUMENTS Figure 3. TPS20xxCDBVEVM-636 Component Placement Figure 4. TPS20xxCDBVEVM-636 Top-Side Layout SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 7 Board Layout www.ti.com Figure 5. TPS20xxCDBVEVM-636 Bottom-Side Layout 3.2 TPS20xxCDGNEVM-635 Board TEXAS INSTRUMENTS Figure 6. TPS20xxCDGNEVM-635 Component Placement 8 Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Board Layout www.ti.com Figure 7. TPS20xxCDGNEVM-635 Top-Side Layout Figure 8. TPS20xxCDGNEVM-635 Bottom-Side Layout 3.3 Layout Considerations The IN and OUT pins of U1 can carry significant current; so, traces to these pins must be of suitable length and width to minimize the voltage drop to the load. Locate the 0.1-μF bypass capacitors close to the IN and OUT pins of U1. SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 9 EVM Setup www.ti.com 4 EVM Setup 4.1 Recommended Test Equipment The following test equipment is recommended: • Two-channel storage oscilloscope • Current probe • Voltage probe • 5 V at 5-A power supply • Volt-ohm meter • A passive or active load 4.2 Measuring Current Limit The user is advised to read the applicable data sheet before using the EVM. Figure 9 shows the EVM test setup for measuring current limit. The power distribution switch is enabled into a short circuit for this measurement. Figure 10 shows the current waveform for TPS2069CDGNEVM635. Oscilloscope TP4 IN + + + OUT VIN J1 J2 LOAD -- - EVM Under Test J3 TP7 Figure 9. EVM Setup For Measuring Current Limit 10 Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback EVM Setup www.ti.com VOUT 2 V/div I-IN 1 A/div t - Time - 5 ms/div Figure 10. TPS2069CDGNEVM-635 Short-Circuit Input Current and Output Voltage SLVU466B – June 2011 – Revised July 2012 Submit Documentation Feedback Single-Channel, Power-Distribution Switch Evaluation Module Copyright © 2011–2012, Texas Instruments Incorporated 11 EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods. 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It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES-003 rules, which are designed to provide reasonable protection against radio frequency interference. Operation of the equipment may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference. General Statement for EVMs including a radio User Power/Frequency Use Obligations: This radio is intended for development/professional use only in legally allocated frequency and power limits. Any use of radio frequencies and/or power availability of this EVM and its development application(s) must comply with local laws governing radio spectrum allocation and power limits for this evaluation module. 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FCC Interference Statement for Class A EVM devices This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense. FCC Interference Statement for Class B EVM devices This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. 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To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated. Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited for use with this device. Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada. Les changements ou les modifications pas expressément approuvés par la partie responsable de la conformité ont pu vider l’autorité de l'utilisateur pour actionner l'équipement. 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Le présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. SPACER SPACER SPACER SPACER SPACER SPACER SPACER SPACER 【Important Notice for Users of this Product in Japan】 】 This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product: 1. 2. 3. 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It is intended solely for use for preliminary feasibility evaluation in laboratory/development environments by technically qualified electronics experts who are familiar with the dangers and application risks associated with handling electrical mechanical components, systems and subsystems. It should not be used as all or part of a finished end product. Your Sole Responsibility and Risk. You acknowledge, represent and agree that: 1. 2. 3. 4. You have unique knowledge concerning Federal, State and local regulatory requirements (including but not limited to Food and Drug Administration regulations, if applicable) which relate to your products and which relate to your use (and/or that of your employees, affiliates, contractors or designees) of the EVM for evaluation, testing and other purposes. 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It is important to operate this EVM within TI’s recommended specifications and environmental considerations per the user guidelines. Exceeding the specified EVM ratings (including but not limited to input and output voltage, current, power, and environmental ranges) may cause property damage, personal injury or death. If there are questions concerning these ratings please contact a TI field representative prior to connecting interface electronics including input power and intended loads. Any loads applied outside of the specified output range may result in unintended and/or inaccurate operation and/or possible permanent damage to the EVM and/or interface electronics. Please consult the EVM User's Guide prior to connecting any load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative. During normal operation, some circuit components may have case temperatures greater than 60°C as long as the input and output are maintained at a normal ambient operating temperature. These components include but are not limited to linear regulators, switching transistors, pass transistors, and current sense resistors which can be identified using the EVM schematic located in the EVM User's Guide. When placing measurement probes near these devices during normal operation, please be aware that these devices may be very warm to the touch. As with all electronic evaluation tools, only qualified personnel knowledgeable in electronic measurement and diagnostics normally found in development environments should use these EVMs. Agreement to Defend, Indemnify and Hold Harmless. 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